1865

Première du Tristan de Wagner, inspiré par sa liaison avec Cosima von Bürlow (la fille de Liszt). - "Here Wagner, in depicting every shade of sexual love, developed a style richer and more chromatic than anyone had previously attempted, using dissonance and its urge for resolution in a continuing pattem to build up tension and a sense of profound yearning".

Nadar fait le premier reportage sur les égouts et les catacombes de Paris.

Another attempt at laying the transatlantic cable fails; the cable breaks after two-thirds of it is laid.

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